Files
oceanbase/unittest/sql/rewrite/test_transformer_set_op.sql
oceanbase-admin cea7de1475 init push
2021-05-31 22:56:52 +08:00

29 lines
1.5 KiB
SQL

##
select c1 from t1 union select c2 from t2;
select c1 from t1 union select c2 from t2 limit 2;
select c1 from t1 minus select c2 from t2 limit 2;
select c1 from t1 limit 2 union select c2 from t2;
select c1 from t1 union all select c2 from t2 limit 2;
select c1 from t1 limit 5 union all select c2 from t2 limit 2;
select c1 from t1 intersect select c2 from t2 limit 2;
select c1 from t1 union all select c2 from t2 order by c1;
select c1 from t1 union all select c2 from t2 order by c1 limit 2;
select c1, c2 from t1 order by c2 union all select c1, c2 from t2 order by c1 limit 2;
select c1, c2 from t1 limit 5 union all select c1, c2 from t2 order by c1 limit 2;
select c1 from t1 minus select c2 from t2 order by c1 limit 2;
## complex test
select * from v limit 10 union select * from v limit 10 union select * from v limit 10 union select * from v limit 10 union select * from v limit 10 union select * from v order by c1 limit 10;
select * from v order by c1 union select * from v order by c1 union select * from v order by c1 union select * from v order by c1 union select * from v order by c1 union select * from v order by c1 limit 10;
select * from v order by c1 union all select * from v order by c1 union all select * from v order by c1 union all select * from v order by c1 union all select * from v order by c1 union select * from v order by c1 limit 10;
(select c2 from t1 order by c2 intersect select * from v order by c2 limit 10)union (select c1 from t1 minus select * from v order by c1 limit 11) order by c2 limit 3;